Solutions to Review for TEst #3.docx - REVIEW FOR TEST#3...

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REVIEW FOR TEST #3 MATH 1111 COLLEGE ALGEBRA M. ROCKWARD PC @GSU 1. Given f(x) = -(x + 5) 2 + 2, identify the vertex of the graph of the parabola. 2. Given f ( x ) =− 2 x 2 + 4 x + 6 a. Write the equation in vertex form: f(x) = a(x – h) 2 + k , b. c. Identify the vertex. d. Identify the x-intercepts e. Identify the y-intercepts f. Sketch the function. g. Determine the axis of symmetry h. i. 3. Suppose that a farmer encloses a corral for cattle adjacent to a river. No fencing is used by the river. a. If he has 180 yd of fencing, what dimensions should he use to maximize the area?

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